CalculateSpawnLevels()
{
for (int i = 0; i < m_Population.Count; i++)
{
CGenome genome = m_Population[i];
float toSpawn = 0;
if (m_dAvFitAdj > 0)
{
toSpawn = genome.GetAdjustedFitness() / m_dAvFitAdj;
}
genome.SetAmountToSpawn(toSpawn);
}
for (int i = 0; i < m_vecSpecies.Count; i++)
{
CSpecies species = m_vecSpecies[i];
species.CalculateSpawnAmount();
}
}
SpeciateGenomes()
{
bool addedToSpecies = false;
for (int i = 0; i < m_Population.Count; i++)
{
CGenome genome = m_Population[i];
float bestCompatability = 1000;
CSpecies bestSpecies = null;
for (int j = 0; j < m_vecSpecies.Count; j++)
{
CSpecies species = m_vecSpecies[j];
float compatibility = genome.GetCompatibilityScore(species.Leader());
// if this individual is similar to this species leader add to species
if (compatibility < bestCompatability)
{
bestCompatability = compatibility;
bestSpecies = species;
}
}
if (bestCompatability <= _params.CompatibilityThreshold)
{
bestSpecies.AddMember(genome);
genome.SetSpecies(bestSpecies.ID());
addedToSpecies = true;
}
if (!addedToSpecies)
{
// we have not found a compatible species so a new one will be created
m_vecSpecies.Add(new CSpecies(genome, nextSpeciesID++));
}
addedToSpecies = false;
}
/*
* Adjust the fitness for all members of the every species to take
* into account fitness sharing and age of species.
*/
for (int i = 0; i < m_vecSpecies.Count; i++)
{
CSpecies species = m_vecSpecies[i];
species.AdjustFitnesses();
}
/*
* Calculate new adjusted total and average fitness for the population.
*/
for (int i = 0; i < m_Population.Count; i++)
{
CGenome genome = m_Population[i];
m_dTotFitAdj += genome.GetAdjustedFitness();
}
m_dAvFitAdj = m_dTotFitAdj / m_Population.Count;
}